|
|
#include <limits.h>
|
|
|
#include <QVector>
|
|
|
#include <QDebug>
|
|
|
#include "barchartmodel_p.h"
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
BarChartModel::BarChartModel(QObject *parent) :
|
|
|
QObject(parent)
|
|
|
,mRunningId(1)
|
|
|
{
|
|
|
}
|
|
|
|
|
|
BarChartModel::~BarChartModel()
|
|
|
{
|
|
|
qDebug() << "BarChartModel::~BarChartModel";
|
|
|
foreach (DataContainer* c, mDataModel) {
|
|
|
delete c;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
int BarChartModel::addData(QList<qreal> data)
|
|
|
{
|
|
|
qDebug() << "BarChartModel::addData" << data.count();
|
|
|
DataContainer* c = new DataContainer(data,mRunningId);
|
|
|
mDataModel.append(c);
|
|
|
mRunningId++;
|
|
|
return mRunningId-1;
|
|
|
}
|
|
|
|
|
|
void BarChartModel::removeData(int id)
|
|
|
{
|
|
|
foreach(DataContainer* c, mDataModel) {
|
|
|
if (c->mId == id) {
|
|
|
mDataModel.removeOne(c);
|
|
|
delete c;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
int BarChartModel::countRows()
|
|
|
{
|
|
|
return mDataModel.count();
|
|
|
}
|
|
|
|
|
|
int BarChartModel::countColumns()
|
|
|
{
|
|
|
int count(0);
|
|
|
for (int i=0; i<mDataModel.count(); i++){
|
|
|
// TODO: can we assume that all series have same number of values? If not. then which values are empty?
|
|
|
int temp = mDataModel.at(i)->countColumns();
|
|
|
if (temp > count) {
|
|
|
count = temp;
|
|
|
}
|
|
|
}
|
|
|
return count;
|
|
|
}
|
|
|
|
|
|
int BarChartModel::countTotalItems()
|
|
|
{
|
|
|
int total = mDataModel.count() * countColumns();
|
|
|
qDebug() << "BarChartModel::countTotalItems datamodel count" << mDataModel.count();
|
|
|
qDebug() << "BarChartModel::countTotalItems countColumns count" << countColumns();
|
|
|
return total;
|
|
|
}
|
|
|
|
|
|
int BarChartModel::min()
|
|
|
{
|
|
|
Q_ASSERT(mDataModel.count() > 0);
|
|
|
// TODO: make min and max members and update them when data changes.
|
|
|
// This is slower since they are checked every time, even if data is same since previous call.
|
|
|
int min = INT_MAX;
|
|
|
|
|
|
for (int i=0; i <mDataModel.count(); i++) {
|
|
|
int itemCount = mDataModel.at(i)->countColumns();
|
|
|
for (int j=0; j<itemCount; j++) {
|
|
|
int temp = mDataModel.at(i)->valueAt(j);
|
|
|
if (temp < min) {
|
|
|
min = temp;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return min;
|
|
|
}
|
|
|
|
|
|
int BarChartModel::max()
|
|
|
{
|
|
|
Q_ASSERT(mDataModel.count() > 0);
|
|
|
|
|
|
// TODO: make min and max members and update them when data changes.
|
|
|
// This is slower since they are checked every time, even if data is same since previous call.
|
|
|
int max = INT_MIN;
|
|
|
|
|
|
for (int i=0; i <mDataModel.count(); i++) {
|
|
|
int itemCount = mDataModel.at(i)->countColumns();
|
|
|
for (int j=0; j<itemCount; j++) {
|
|
|
int temp = mDataModel.at(i)->valueAt(j);
|
|
|
if (temp > max) {
|
|
|
max = temp;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
return max;
|
|
|
}
|
|
|
|
|
|
qreal BarChartModel::valueAt(int series, int item)
|
|
|
{
|
|
|
if ((series < 0) || (series >= mDataModel.count())) {
|
|
|
// No series, no value.
|
|
|
return 0;
|
|
|
} else if ((item < 0) || (item >= mDataModel.at(series)->countColumns())) {
|
|
|
// No item, no value.
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
return mDataModel.at(series)->valueAt(item);
|
|
|
}
|
|
|
|
|
|
qreal BarChartModel::columnSum(int column)
|
|
|
{
|
|
|
int sum(0);
|
|
|
int count = mDataModel.count(); // Count rows
|
|
|
|
|
|
for (int row = 0; row < count; row++) {
|
|
|
if (column < mDataModel.at(row)->countColumns()) {
|
|
|
sum += mDataModel.at(row)->valueAt(column);
|
|
|
}
|
|
|
}
|
|
|
return sum;
|
|
|
}
|
|
|
|
|
|
qreal BarChartModel::maxColumnSum()
|
|
|
{
|
|
|
int max = INT_MIN;
|
|
|
int count = countColumns();
|
|
|
|
|
|
for (int col=0; col<count; col++) {
|
|
|
int sum = columnSum(col);
|
|
|
if (sum > max) {
|
|
|
max = sum;
|
|
|
}
|
|
|
}
|
|
|
return max;
|
|
|
}
|
|
|
|
|
|
#include "moc_barchartmodel_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
